ASTM D3306-10

Federal Method 2540B

Total Dissolved Solids Dried at 103-105C Standard Method for the Examination of Water and Wastewater. American Public Health Association, et al, 800 I Street, N.W. Washington, DC 20001-3710, http://www.apha.org.

E1177-23

Standard Specification for Engine Coolant Grade Glycol

D512-23

Standard Test Methods for Chloride Ion In Water

D516-22

Standard Test Method for Sulfate Ion in Water

D1119-22(2026)

Standard Test Method for Percent Ash Content of Engine Coolants

D1120-26

Standard Test Method for Boiling Point of Engine Coolants

D1121-25

Standard Test Methods for Reserve Alkalinity of Engine Coolants and Antirusts

D1122-22

Standard Test Method for Relative Density of Engine Coolant Concentrates and Engine Coolants By The Hydrometer

D1123-22a(2026)

Standard Test Methods for Water in Engine Coolant Concentrate by the Karl Fischer Reagent Method (Includes all amendments and changes 8/7/2026).

D1126-17(2025)

Standard Test Method for Hardness in Water

D1177-22(2026)

Standard Test Method for Freezing Point of Aqueous Engine Coolants

D1287-25

Standard Test Method for pH of Engine Coolants and Antirusts

D4327-17(2025)

Standard Test Method for Anions in Water by Suppressed Ion Chromatography

D4340-26

Standard Test Method for Corrosion of Cast Aluminum Alloys in Engine Coolants Under Heat-Rejecting Conditions

D4725-25a

Standard Terminology for Engine Coolants and Related Fluids (Includes all amendments and changes 6/10/2025).

D4985-10(2023)

Standard Specification for Low Silicate Ethylene Glycol Base Engine Coolant for Heavy Duty Engines Requiring a Pre-Charge of Supplemental Coolant Additive (SCA)

D5827-22

Standard Test Method for Analysis of Engine Coolant for Chloride and Other Anions by Ion Chromatography

D5931-20(2025)

Standard Test Method for Density and Relative Density of Engine Coolant Concentrates and Aqueous Engine Coolants by Digital Density Meter

D6130-24

Standard Test Method for Determination of Silicon and Other Elements in Engine Coolant by Inductively Coupled Plasma-Atomic Emission Spectroscopy

D3321-26

Standard Test Method for Use of Handheld Refractometers for the Determination of the Freeze Point and % Glycol of Aqueous Engine Coolants

D1881-24

Standard Test Method for Foaming Tendencies of Engine Coolants in Glassware

D1882-17(2025)

Standard Test Method for Effect of Cooling System Chemical Solutions on Organic Finishes for Automotive Vehicles

D2570-26

Standard Test Method for Simulated Service Corrosion Testing of Engine Coolants

D2809-21

Standard Test Method for Cavitation Corrosion and Erosion-Corrosion Characteristics of Aluminum Pumps With Engine Coolants

D1384-24

Standard Test Method for Corrosion Test for Engine Coolants in Glassware

D1293-18

Standard Test Methods for pH of Water

D6471-10

Standard Specification for Recycled Prediluted Aqueous Glycol Base Engine Coolant (50 Volume % Minimum) for Automobile and Light-Duty Service (Withdrawn 2019)

D6472-10

Standard Specification for Recycled Glycol Base Engine Coolant Concentrate for Automobile and Light-Duty Service (Withdrawn 2019)

D6660-01(2023)

Standard Test Method for Freezing Point of Aqueous Ethylene Glycol Base Engine Coolants by Automatic Phase Transition Method

D7640-16(2026)

Standard Specification for Engine Coolant Grade Glycerin

E29-22

Standard Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

E394-22

Standard Test Method for Iron in Trace Quantities Using the 1,10-Phenanthroline Method

D3634-21(2025)

Standard Test Method for Trace Chloride Ion in Engine Coolants

D6210-25

Standard Specification for Fully-Formulated Glycol Base Engine Coolant for Heavy-Duty Engines